Hamilton Khaki Navy Frogman Auto

The Hamilton Khaki Navy Frogman Auto, reference H77815130, has a 46 mm steel case water resistant to 300 metres. A shaped protector surrounds the screw-down crown, while the 13.58 mm-thick case sits on a steel bracelet with 22 mm lugs. The black dial displays central seconds beneath a sapphire crystal. Calibre H-10 combines self-winding operation with an 80-hour power reserve and a Nivachron balance spring.